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Kuranes based on Myers-Briiggs, and Berens more specifically what you example in your friends designing and your inability to get the software to run correctly is Se. Keirsey uses words in his books that come close to one another with NT and SP types. Where Ne type users use intuition, Se type users use instinct. This is most exampled in ESTPs being able to get the gist of a situation where it looks as though they have taken in little and their patented statement when all else fells read the instructions. You appear to be alluding to Se, which is no surprise since Jung said that when he spoke to people claiming to prefer Ne, what they were describing to him was Se.